Changsoo Medical Group
NPI 1790496107 · Internal Medicine Physician · Buena Park, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Changsoo Medical Group is a Internal Medicine Physician organization in Buena Park, CA (NPI 1790496107).
Provider details
- NPI number
- 1790496107
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Grace Yoon, Office Manger(562) 335-0008
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-12-06
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Changsoo Medical Group's NPI number?
- Changsoo Medical Group's National Provider Identifier (NPI) is 1790496107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Changsoo Medical Group?
- Changsoo Medical Group is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Changsoo Medical Group located?
- Changsoo Medical Group's practice location on file with NPPES is 5832 Beach Blvd Unit 214, Buena Park, CA 90621-5501.
- What is Changsoo Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Changsoo Medical Group is (714) 523-7575.
- Does Changsoo Medical Group accept Medicare?
- Changsoo Medical Group is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Changsoo Medical Group?
- The authorized official listed on Changsoo Medical Group's NPPES record is Grace Yoon, Office Manger. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Changsoo Medical Group's NPI active?
- Yes — Changsoo Medical Group's NPI (1790496107) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.